Add MachineRegionInfoPassID to Passes.h

[jsjodin]

Summary

Add missing ID for the pass in Passes.h.

[arsenm]

LGTM

llvm/trunk/include/llvm/CodeGen/Passes.h

namespace llvm {
   extern char &MachineLoopInfoID;
 
   /// MachineDominators - This pass is a machine dominators analysis pass.
   extern char &MachineDominatorsID;
 
 /// MachineDominanaceFrontier - This pass is a machine dominators analysis pass.
   extern char &MachineDominanceFrontierID;
 
+  /// MachineRegionInfo - This pass computes SESE regions for machine functions.
+  extern char &MachineRegionInfoPassID;
+
   /// EdgeBundles analysis - Bundle machine CFG edges.
   extern char &EdgeBundlesID;
 
   /// LiveVariables pass - This pass computes the set of blocks in which each
   /// variable is life and sets machine operand kill flags.
   extern char &LiveVariablesID;
 
   /// PHIElimination - This pass eliminates machine instruction PHI nodes

llvm/trunk/lib/CodeGen/MachineRegionInfo.cpp

-
 #include "llvm/CodeGen/MachineRegionInfo.h"
 #include "llvm/ADT/Statistic.h"
 #include "llvm/Analysis/RegionInfoImpl.h"
 #include "llvm/CodeGen/MachinePostDominators.h"
 
 #define DEBUG_TYPE "machine-region-info"
 
 using namespace llvm;

 
 #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
 LLVM_DUMP_METHOD void MachineRegionInfoPass::dump() const {
   RI.dump();
 }
 #endif
 
 char MachineRegionInfoPass::ID = 0;
+char &MachineRegionInfoPassID = MachineRegionInfoPass::ID;
 
 INITIALIZE_PASS_BEGIN(MachineRegionInfoPass, DEBUG_TYPE,
                       "Detect single entry single exit regions", true, true)
 INITIALIZE_PASS_DEPENDENCY(MachineDominatorTree)
 INITIALIZE_PASS_DEPENDENCY(MachinePostDominatorTree)
 INITIALIZE_PASS_DEPENDENCY(MachineDominanceFrontier)
 INITIALIZE_PASS_END(MachineRegionInfoPass, DEBUG_TYPE,
                     "Detect single entry single exit regions", true, true)